diff --git a/app/Http/Controllers/AppController.php b/app/Http/Controllers/AppController.php
index 1fc3f7588873..9dcf243fbe02 100644
--- a/app/Http/Controllers/AppController.php
+++ b/app/Http/Controllers/AppController.php
@@ -178,9 +178,12 @@ class AppController extends BaseController
 
         $config = '';
         foreach ($_ENV as $key => $val) {
-                        if (preg_match('/\s/',$val)) {
-                                $val = "'{$val}'";
-                        }
+            if (is_array($val)) {
+                continue;
+            }
+            if (preg_match('/\s/', $val)) {
+                    $val = "'{$val}'";
+            }
             $config .= "{$key}={$val}\n";
         }